The regions alongside the Yarlung Zangbo River and the Lhasa River, especially around the Gonggar Airport and Lhasa City, covered with rolling sand dunes are serious in hazard in Tibet.

• 分布于雅鲁藏布江和拉萨河两岸，特别是贡嘎机场和拉萨市周边的河岸流动沙地，是本区土地沙漠化危害严重的区域。